Originally posted by rickbz28
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Clunking noise when accelerating
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I don't know if this is the same clunking you are experiencing or not,but I will relate a clunk I had.One of my Aspires started making a clunking noise when taking off.Could never find the source and it kept getting worse.One day the problem became very apparent.I took off from a stop sign went about eight feet and it let out a big clunk and would just rev up but not move. Disassembly of the trans revealed it had sheared all the teeth off the pinion gear. Problem found.:sad10: Is that the same as yours?I don't know.
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Originally posted by shadetree View PostSound like marbles in the heater box clunking when they hit the side ?
Ball joints or steering rack.
AFAIK there are no marbles in my heater box. Was this a factory option? ;-) Clunking is definitely from the other side of the firewall.Last edited by TominMO; 06-08-2015, 02:08 PM.
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Sound like marbles in the heater box clunking when they hit the side ?
Ball joints or steering rack .
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Originally posted by shadetree View PostIt's the steering rack .
This rack does not have a lot of miles on it tho, well under 200K; and many of them were tow miles.Last edited by TominMO; 06-08-2015, 01:58 PM.
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Originally posted by WmWatt View PostWhen I had front end noise the mechanic put the front end up off the ground and tested everything with a pry bar and a big rubber hammer. Nothing. Eventually turned out to be a loose brake rotor. One thing I found useful was to put a long bar under the tire with the wheel off the ground as a lever and push it up and down simulating bumps. Tried rocking the car back and forth in gear? Good luck.
One thing I did notice, was when going over a ripple in the road, I got the clunk. So I'm hoping that means it's a simple, non-bottom-end-related issue that I just haven't found yet.Last edited by TominMO; 06-08-2015, 09:36 AM.
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When I had front end noise the mechanic put the front end up off the ground and tested everything with a pry bar and a big rubber hammer. Nothing. Eventually turned out to be a loose brake rotor. One thing I found useful was to put a long bar under the tire with the wheel off the ground as a lever and push it up and down simulating bumps. Tried rocking the car back and forth in gear? Good luck.
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Replaced rear tranny mount on Larry and then went on a drive. No help. The old rear mount actually looked to be in good condition; the rubber was a little softer than the new one, IDK if due to age or just a different manufacturer. The rear mount on Matthew was actually broken, i.e. the rubber itself separated, perhaps due to heavy salt exposure (that was a very rusty car). Matthew didn't have this clunking symptom.
I've ordered a front trans mount (listed under motor mounts at Rock Auto BTW), and will install that to see if it helps. Visually the current front mount looks fine tho.
I can also install the custom Dickmeyer pass-side motor mount that came with Matthew. 2jzkilla mentioned an internal bottom-end issue; hope it's not that, but......I'm thinking I should be looking for a gen2 B6 short block.....Last edited by TominMO; 06-08-2015, 09:17 AM.
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Originally posted by Movin View PostSome times when the rear trans mount breaks it is really hard to see and does not rock around much. But I have seen it allow the engine - transmission assembly shift sideways under acceleration just enough for the inner cv to fully compress and the trunnions will rattle...only on acceleration.
Another time the same noise would happen with the front suspension extended. It had an aspire shaft and too much tow. The Tow in caused the front end to lift up on acceleration.
Can you get a video clip with the noise ?
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Some times when the rear trans mount breaks it is really hard to see and does not rock around much. But I have seen it allow the engine - transmission assembly shift sideways under acceleration just enough for the inner cv to fully compress and the trunnions will rattle...only on acceleration.
Another time the same noise would happen with the front suspension extended. It had an aspire shaft and too much tow. The Tow in caused the front end to lift up on acceleration.
Can you get a video clip with the noise ?
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